问题

It is obvious to the students ______ they should get well prepared for their future.

A:as
B:which
C:whether
D:that;

正确答案是：

同类题型

The girl was flying a kite ____________ herfather came back.

What does she look like—____

I hear you have got an opportunity _________ at the children’s hospital.— Yes, I love children andit will be a good experience for me.

Studies show that people are more _____to suffer from back problems if they always sit before computer screens for long hours. [ ]

This bookten units,three mainly revision.